21779394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 54238464

約数和(自身を除く): 32459070

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 113, 182, 226, 273, 339, 353, 546, 678, 706, 791, 1059, 1469, 1582, 2118, 2373, 2471, 2938, 4407, 4589, 4746, 4942, 7413, 8814, 9178, 10283, 13767, 14826, 20566, 27534, 30849, 32123, 39889, 61698, 64246, 79778, 96369, 119667, 192738, 239334, 279223, 518557, 558446, 837669, 1037114, 1555671, 1675338, 3111342, 3629899, 7259798, 10889697, 21779394]

約数ペア:

[(1, 21779394), (2, 10889697), (3, 7259798), (6, 3629899), (7, 3111342), (13, 1675338), (14, 1555671), (21, 1037114), (26, 837669), (39, 558446), (42, 518557), (78, 279223), (91, 239334), (113, 192738), (182, 119667), (226, 96369), (273, 79778), (339, 64246), (353, 61698), (546, 39889), (678, 32123), (706, 30849), (791, 27534), (1059, 20566), (1469, 14826), (1582, 13767), (2118, 10283), (2373, 9178), (2471, 8814), (2938, 7413), (4407, 4942), (4589, 4746)]